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1. 发明专利

JP2008031273A Biaxially stretched polyester film 有权
标题翻译：双面拉伸聚酯薄膜
公开(公告)号：JP2008031273A
公开(公告)日：2008-02-14
申请号：JP2006205694
申请日：2006-07-28
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： IMAI KAZUMOTO , SHIMIZU HIDENORI
IPC分类号： C08J5/18 , B32B27/36
摘要： PROBLEM TO BE SOLVED: To provide a polyester stretched film without losing strength, transparency, heat resistance, barrier property, etc., equipped with a good tearing property and processability, and useful as packaging film, film for tape, a PTP package, an opening port of a beverage pack, or an exterior material of a gum or candy, inexpensively. SOLUTION: This easily tearable biaxially stretched polyester-based film excellent in processability is characterized by having ≥400 (GPa×μm 2 ) ET 2 in its E (GPa), initial elastic modulus in longitudinal direction and T (μm), thickness, and also ≤70 N both of lengthwise and sidewise directional end-tearing resistance values. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有良好的撕裂性和加工性的不失去强度，透明性，耐热性，阻隔性等的聚酯拉伸膜，并且可用作包装膜，胶带膜，PTP 包装，饮料包装的开口或口香糖或糖果的外部材料。解决方案：该加工性优异的易撕裂双轴拉伸聚酯类膜的特征在于其E（GPa）≥400（GPa×μm 2 ）ET 2 ），长度方向的初始弹性模量和T（μm），厚度以及纵向和横向方向耐撕裂性值的≤70N。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2005335312A Easily bendable biaxially stretched polyester film 有权
标题翻译：易弯曲双向拉伸聚酯薄膜
公开(公告)号：JP2005335312A
公开(公告)日：2005-12-08
申请号：JP2004160188
申请日：2004-05-28
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： IMAI KAZUMOTO , YAMAMOTO KATSUSHI , ODA NAONOBU
IPC分类号： B32B27/36 , B29C55/12 , B29K67/00 , B29L7/00 , B29L9/00
摘要： PROBLEM TO BE SOLVED: To provide an easily bendable biaxially stretched polyester film excellent in easy bending properties and twist fixing properties, having strength, heat resistance, water resistance, transparency, aroma retension, moistureproof properties and the like being the excellent characteristics of a polyester film and excellent in packaging, processing and filling properties.
SOLUTION: In the easily bendable biaxially stretched polyester film having at least a three-layered constitution, each layer of the three-layered constitution is composed of at least one kind of a crystalline polyester resin and at least one kind of a non-crystalline polyester resin, each of both outer layers thereof comprises a layer having crystallinity wherein respective resins are mixed in the ratio of the formula (A): crystalline polyester resin/non-crystalline polyester resin = 40/60-85/15 wt.% and the intermediate layer thereof comprises a layer not substantially crystalline wherein respective resins are mixed in the ratio of the formula (B):crystalline polyester resin/non-crystalline polyester resin = 3/97-30/70 wt.%.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供易弯曲性和扭曲定影性优异的易弯曲双轴拉伸聚酯膜，其具有优异的特性，具有强度，耐热性，耐水性，透明性，香气恢复性，防潮性等优点的聚酯薄膜，具有优异的包装，加工和填充性能。解决方案：在具有至少三层结构的易弯曲双轴拉伸聚酯膜中，三层结构的每层由至少一种结晶性聚酯树脂和至少一种非结晶性聚酯树脂构成，两个外层均包含具有结晶性的层，其中各树脂以式（A）：结晶聚酯树脂/非结晶聚酯树脂= 40 / 60-85 / 15重量％的比例混合。％，其中间层包含基本上不结晶的层，其中相应的树脂以式（B）：结晶聚酯树脂/非结晶聚酯树脂= 3 / 97-30 / 70重量％的比例混合。版权所有（C）2006，JPO＆NCIPI

3. 发明专利

JP2005068322A Polyester resin film having good tearability 审中-公开
标题翻译：聚酯树脂薄膜具有良好的可穿透性
公开(公告)号：JP2005068322A
公开(公告)日：2005-03-17
申请号：JP2003301541
申请日：2003-08-26
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： IMAI KAZUMOTO , ODA NAONOBU
IPC分类号： C08J5/18 , B29C55/02 , B29K67/00 , C08L67/00
摘要： PROBLEM TO BE SOLVED: To prepare a drawn polyester film producible at a low cost, having good tearability without lowering the strengths, transparency, heat-resistance, barrierness, or the like, and useful as a packaging film, a film for tapes or a seal opening tape of a PTP (polyethylene terephthalate) package or a drink pack. SOLUTION: This polyester resin film having good tearability is a laminate of two or more polyester resin layers having different melting points and has a piercing strength of ≤8.0 N. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决问题：为了制备低成本制造的拉伸聚酯膜，具有良好的撕裂性而不降低强度，透明性，耐热性，阻隔性等，并且可用作包装膜，可用作包装膜胶带或PTP（聚对苯二甲酸乙二醇酯）包装或饮料包的密封开口带。解决方案：具有良好撕裂性能的聚酯树脂膜是具有不同熔点的两个或多个聚酯树脂层的层压体，并且具有≤8.0N的穿透强度。版权所有（C）2005，JPO＆NCIPI

4. 发明专利

JP2004299231A Oriented polyester film 审中-公开
公开(公告)号：JP2004299231A
公开(公告)日：2004-10-28
申请号：JP2003094557
申请日：2003-03-31
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： IMAI KAZUMOTO , ODA NAONOBU
IPC分类号： B32B27/36 , B29C55/02 , B29K67/00 , B29L9/00
摘要： PROBLEM TO BE SOLVED: To obtain a film which has remarkable characteristics of a twist fixing property and a dead hold property, in particular, out of the excellent characteristics that cellophane has, and further has the transparency, heat resistance, moistureproofness, an aroma-keeping property, etc. that are the excellent characteristics of a polyester film, in addition, and to provide the film which has processability as well.
SOLUTION: This oriented polyester film is formed by stacking a polyester resin layer (B) of a crystalline polyester of one or more and an amorphous polyester of one or more on at least one side of a polyester resin layer (A). A surface resistivity value of at least one side is made 10
-13 or below.
COPYRIGHT: (C)2005,JPO&NCIPI

5. 发明专利

JP2004035757A Readily tearable polyolefinic resin film 审中-公开
公开(公告)号：JP2004035757A
公开(公告)日：2004-02-05
申请号：JP2002195812
申请日：2002-07-04
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： IMAI KAZUMOTO , ODA NAONOBU
IPC分类号： C08J5/18 , B29C55/02 , C08L23/10
摘要： PROBLEM TO BE SOLVED: To provide a readily tearable polyolefinic resin film.
SOLUTION: The readily tearable polyolefinic resin film comprises a layer of a polypropylene resin composition composed of a mixture of mainly polypropylene with a copolymer of propylene and an α-olefin other than the propylene and/or polyethylene. The ratio of the polypropylene based on the whole of the resin constituting the layer is ≥60 and ≤85 wt.% and the average roughness (Ra) of at least one surface is ≥0.06 and ≤0.25 μm and has straight advance tearing properties. Thereby, the film having excellent breaking properties, flexibility to closely adhere to adherends and excellent slipperiness of fingers on the back surface of a pressure-sensitive adhesive tape when used as the pressure-sensitive adhesive tape can be provided.
COPYRIGHT: (C)2004,JPO

6. 发明专利

JP2012220662A Film for improving viewing angle and liquid crystal display device 审中-公开
标题翻译：用于改进观察角度和液晶显示装置的电影
公开(公告)号：JP2012220662A
公开(公告)日：2012-11-12
申请号：JP2011085320
申请日：2011-04-07
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： YASUI AKIFUMI , KAWAI KENJI , KUZE KATSURO , IMAI KAZUMOTO , MATSUDA AKIRA
IPC分类号： G02B5/02 , G02B1/10 , G02B1/11 , G02B1/14 , G02F1/1335
摘要： PROBLEM TO BE SOLVED: To provide a film for improving a viewing angle achieving both of a viewing angle improving effect and suppression of decrease in front brightness in high levels while suppressing changes in tones and being installed in an observer's side with respect to a liquid crystal layer of a liquid crystal display device.SOLUTION: A light diffusion film is obtained by fusing and extrusion-molding a mixture composed of at least two kinds of resins incompatible with each other. In the film for improving the viewing angle, a ratio (I60/I0×100) measured by a method described in the specifications, of the transmittance (I0) at an emission angle of 0 degree of light having a wavelength of 550 nm in a main diffusion direction to the transmittance (I60) at an emission angle of 60 degrees is 0.06 to 1.0%.
摘要翻译：要解决的问题：提供一种胶片，用于改善视角，同时抑制视力改善效果和抑制高亮度下降的前方亮度，同时抑制色调变化并安装在观察者侧相对于液晶显示装置的液晶层。解决方案：通过将由至少两种不相容的树脂组成的混合物熔融和挤出成型来获得光扩散膜。在用于改善视角的膜中，通过在规格中描述的方法测量的在波长为550nm的光的发射角的透射率（I0）测量的比率（I60 / I0×100）在60度的发射角处的透射率（I60）的主扩散方向为0.06〜1.0％。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2010006934A Easily tearable polyester film 有权
标题翻译：易于使用的聚酯薄膜
公开(公告)号：JP2010006934A
公开(公告)日：2010-01-14
申请号：JP2008167164
申请日：2008-06-26
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： IMAI KAZUMOTO , TAGA ATSUSHI
IPC分类号： C08J5/18 , B29C55/12 , B29K67/00 , B29L7/00 , C08L67/02
摘要： PROBLEM TO BE SOLVED: To inexpensively provide a biaxially oriented polyester film which retains practical characteristics without losing heat resistance, aroma retention, water resistance, etc., is excellent in film handleability and appearance, suffers no wrinkles of the film, stretching of the film or change in pitch at printing or lamination and can be easily torn and handled so as to be suitably applied to stick packages, cover materials, etc.
SOLUTION: The biaxially oriented polyester film is 5-9 μm thick and comprises a mixture of a crystalline polyester resin (A) containing ≥90 mol% terephthalic acid as an acid component and ≥90 mol% ethylene glycol as a glycol component and a block-copolymerized polyester (B) comprising a low-melting-point soft polymer, provided that the block-copolymerized polyester (B) contained in the film comprises 1-4 wt.% low-melting-point soft polymer and that the film has a haze value of ≤7%. The difference between the refractive index Nx in the longitudinal direction and the refractive index Ny in the width direction, i.e. (Nx-Ny) or (Ny-Nx), is 0.02-0.06, and the thermal shrinkage rates both in the longitudinal and width direction at 150°C are ≤5%.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题为了廉价地提供保持实用特性而不失去耐热性，香气保持性，耐水性等的双轴取向聚酯膜，膜处理性和外观优异，不会发生膜皱纹，拉伸的薄膜或在印刷或层压时的间距变化，并且可以容易地撕裂和处理，以适用于棒包装，覆盖材料等。解决方案：双轴取向聚酯薄膜厚度为5-9μm，包含含有≥90摩尔％对苯二甲酸作为酸成分的结晶性聚酯树脂（A）和作为二醇成分的≥90摩尔％乙二醇和包含低熔点软化物的嵌段共聚聚酯（B）的混合物聚合物，条件是包含在膜中的嵌段共聚聚酯（B）包含1-4重量％的低熔点软聚合物，并且该膜具有≤7％的雾度值。纵向上的折射率Nx与宽度方向上的折射率Ny（即（Nx-Ny）或（Ny-Nx））之间的差为0.02-0.06，纵向和宽度的热收缩率 150℃的方向为≤5％。版权所有（C）2010，JPO＆INPIT

8. 发明专利

JP2008030792A Laminated film for lid material 审中-公开
标题翻译：用于材料的层压膜
公开(公告)号：JP2008030792A
公开(公告)日：2008-02-14
申请号：JP2006205696
申请日：2006-07-28
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： IMAI KAZUMOTO , SHIMIZU HIDENORI
IPC分类号： B65D77/20 , B32B27/36 , B65D53/04 , B65D65/40
摘要： PROBLEM TO BE SOLVED: To provide a laminated film for a lid material, which relates to a lid material with a straw piercing characteristic for a sealed beverage container for storing coffee, cocoa, juice, Japanese sake, milk drink, etc, especially has an improved opening characteristic and durability, increased designability, and is produced inexpensively. SOLUTION: In a laminate film for a lid material, a laminate body has a laminate structure comprising at least a polyester resin laminate film composed of a polyester resin layer (A) and a polyester resin layer (B) whose boiling point is at least 15°C lower than that of the layer (A), and a sealant layer laminated through an adhesive agent layer. The puncture resistance from the polyester resin film side is 2N-10N. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种盖材料层叠膜，涉及一种用于储存咖啡，可可，果汁，日本清酒，牛奶饮料等的密封饮料容器的秸秆刺穿特性的盖材料，特别是具有改善的开口特性和耐久性，增加的可设计性，并且廉价地生产。解决方案：在一种盖材料的层压膜中，层压体具有至少包含由聚酯树脂层（A）和聚酯树脂层（B）组成的聚酯树脂层压膜的层叠体，其中沸点为比层（A）低至少15℃，以及通过粘合剂层层压的密封剂层。聚酯树脂膜侧的耐刺穿性为2N-10N。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2005178310A Polyester-based resin laminated film showing excellent hand cutting and its manufacturing method 审中-公开
标题翻译：基于聚酯的树脂层压薄膜展示优质手工切割及其制造方法
公开(公告)号：JP2005178310A
公开(公告)日：2005-07-07
申请号：JP2003426247
申请日：2003-12-24
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： IMAI KAZUMOTO , ODA NAONOBU
IPC分类号： B65D65/40 , B29C55/02 , B29K67/00 , B32B27/36
摘要： PROBLEM TO BE SOLVED: To provide a polyester-based resin laminated film which has good hand cutting without damaging the intrinsic property of the polyester, shows no variation of hand cutting, and is suitable for packaging.
SOLUTION: The polyester-based resin laminated film showing excellent hand cutting comprises a laminate of at least two polyester resin layers having different melting points from each other wherein the difference of the melting points between the layer (A) showing the highest melting point and the layer (B) showing the lowest melting point is not less than 10°C, the layer (B) showing the lowest melting point substantially has no molecular orientation, the layer (A) showing the highest melting point has molecular orientation, and variation of the thickness of the laminated film is not more than 10% in the flow direction and the widthwise direction. The manufacturing method of the polyester-based resin laminated film is characterized in that heat treatment is conducted in the temperature range from the temperature 5°C lower than the melting point of the layer (B) showing the lowest melting point in the laminated film to the temperature lower than the melting point of the layer (A) showing the highest melting point, and then relaxation heat treatment is conducted at the temperature not higher than the heat treatment temperature.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有良好的手工切割而不损害聚酯的固有性质的聚酯类树脂层压膜，不显示手工切割的变化，并且适合于包装。显示出优异的手工切割的聚酯类树脂层叠膜包括彼此不同的熔点的至少两个聚酯树脂层的层压体，其中显示最高熔点的层（A）之间的熔点之差点和显示最低熔点的层（B）不低于10℃，显示最低熔点的层（B）基本上不具有分子取向，显示最高熔点的层（A）具有分子取向，并且层叠膜的厚度的变化在流动方向和宽度方向上不大于10％。聚酯类树脂层叠膜的制造方法的特征在于，在从层叠膜中显示出最低熔点的层（B）的熔点的5℃以下的温度下进行热处理至温度低于显示最高熔点的层（A）的熔点，然后在不高于热处理温度的温度下进行松弛热处理。版权所有（C）2005，JPO＆NCIPI

10. 发明专利

JP2004115720A Polyester-based film 审中-公开
公开(公告)号：JP2004115720A
公开(公告)日：2004-04-15
申请号：JP2002283737
申请日：2002-09-27
申请人： Toyobo Co Ltd , 東洋紡績株式会社
发明人： IMAI KAZUMOTO , ODA NAONOBU
IPC分类号： C08J5/18 , C08J9/00 , C08K3/22 , C08L67/00
摘要： PROBLEM TO BE SOLVED: To obtain a polyester-based film, by particularly paying attention to DH (dead hold) property among characteristics which cellophane and paper have, having heat resistance, moisture barrier property, transparency, aroma-retaining property, etc., which are excellent characteristics of polyester film in addition to characteristics which cellophane and paper have, and usable as a substitute for paper.
SOLUTION: The polyester-based film has a layer composed of a resin comprising 95-30wt.% polyester comprising at least 30-70wt.% polyethylene terephthalate, 20-70wt.% polyester and/or copolyester having ≥35°C glass transition temperature and 1-30wt.% polyester and/or copolyester having ≤34°C glass transition temperature, and 5-30wt.% resin which is substantially incompatible with the polyester.
COPYRIGHT: (C)2004,JPO

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